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US20090130940A1 - Construction sector membrane - Google Patents

Construction sector membrane Download PDF

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Publication number
US20090130940A1
US20090130940A1 US12/282,128 US28212807A US2009130940A1 US 20090130940 A1 US20090130940 A1 US 20090130940A1 US 28212807 A US28212807 A US 28212807A US 2009130940 A1 US2009130940 A1 US 2009130940A1
Authority
US
United States
Prior art keywords
nonwoven web
fibrous nonwoven
construction sector
web layer
membrane according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/282,128
Other languages
English (en)
Inventor
Jorn Schroer
Peter Heinz Raidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ewald Doerken AG
Original Assignee
Ewald Doerken AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ewald Doerken AG filed Critical Ewald Doerken AG
Assigned to EWALD DORKEN AG reassignment EWALD DORKEN AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: RAIDT, PETER HEINZ, SCHROER, JORN
Publication of US20090130940A1 publication Critical patent/US20090130940A1/en
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/182—Underlayers coated with adhesive or mortar to receive the flooring
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/185—Underlayers in the form of studded or ribbed plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/728—Hydrophilic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Definitions

  • This invention relates to a construction sector membrane having at least one outer fibrous nonwoven web layer constructed to produce a bond with an applied material such as mortar, concrete or an adhesive.
  • Membranes with fibrous nonwoven web layers for use in the construction sector are already known. Such membranes are used for example for forming a bond to certain built-in components or sealing membranes via mortar or concrete.
  • the outer fibrous nonwoven web layer serves to improve adhesion, since for example mortar or concrete would easily detach from an unlaminated smooth surface.
  • the invention provides a membrane of the type in question that avoids the aforementioned disadvantages.
  • the fibrous nonwoven web layer in the aforementioned construction sector membrane with outer fibrous nonwoven web layer is at least regionally hydrophilic.
  • adhesive in particular dispersion or other adhesives comprising hydraulic binders
  • Hydrophilicization evidently leads to an appreciably improved detachment of the fibers of the fibrous nonwoven web layer because, for example when mortar and concrete are used, the make-up water penetrates with the hydraulic binder into the fibrous nonwoven web layer very deeply and therefore the fibrous nonwoven web fibers acquire a distinctly increased binding into the mortar or concrete.
  • Adhesive pull strength was found to be increased by more than 20%, in some instances by more than 50%. It is incidentally a further advantage of the present invention that only a comparatively small amount of concrete, mortar or adhesive is required to achieve sufficient adhesive pull strength. Lastly, the membrane does not need to be pressed particularly deeply into the mortar bed, or the mortar pressed onto the fibrous nonwoven web layer, to achieve adequate penetration. The present invention ultimately makes it possible to save concrete, mortar or adhesive.
  • the fibrous nonwoven web layer need only be hydrophilic over part of its layer thickness to achieve adequate adhesive pull strength.
  • the outer, near-surface region of the fibrous nonwoven web layer should be made hydrophilic, while the surface-remote region of the fibrous nonwoven web layer is made nonhydrophilic.
  • it is sufficient for between 20 and 80%, preferably between 40 and 60% of the layer thickness to be hydrophilicized to achieve good adhesive pull strength.
  • the hydrophilicization of the fibrous nonwoven web layer only has to be partial across the layer thickness, starting from the outer, near-surface region of the fibrous nonwoven web layer, the production costs of the membrane of the present invention are only minimally increased compared with a fibrous nonwoven web layer which has not been rendered hydrophilic, as it is not the entire fibrous nonwoven web layer which is hydrophilicized.
  • the fibrous nonwoven web layer is only hydrophilic over part of its surface. This can be achieved for example by making only some of the fibers of the fibrous nonwoven web layer hydrophilic and leaving some others nonhydrophilicized. It is also possible to hydrophilicize the fibers as such only partially. It is also possible for certain surface regions to have been rendered hydrophilic while other regions have not been rendered hydrophilic. This is another context where we have determined that a hydrophilicization between 20 and 80% of the total surface of the membrane, preferably between 40 and 60% is sufficient to achieve good adhesive pull strength values.
  • the first option is for the fibers of the fibrous nonwoven web layer to be hydrophilicized in the course of fiber production by addition of at least one hydrophilicizing additive. It is also possible for the fibers of the fibrous nonwoven web layer or the fibrous nonwoven web layer itself to be hydrophilicized during or after production by outer application of at least one hydrophilicizing agent. For example, an outer application of spin finish or else soap solution is possible. Lastly, hydrophilicization of the fibers of the fibrous nonwoven web layer or else of the fibrous nonwoven web layer as a whole is possible by any chemical and/or physical treatment. Similarly, pretreatments of the fibrous nonwoven web layer or of the fibers are possible for example by a corona or plasma pretreatment.
  • the membrane of the present invention may comprise at least one further layer.
  • the membrane may have two or else more layers and comprise one or else two fibrous nonwoven web layers rendered hydrophilic according to the present invention.
  • Embodiments are possible, for example, wherein the membrane has two outer or external hydrophilicized fibrous nonwoven web layers between which is disposed at least one further membrane having a certain function, for example a sealing or decoupling function.
  • the membrane of the present invention is preferably useful as sealing membrane, decoupling membrane or as a drainage membrane.
  • a further field of use for the membrane of the present invention is in the use as flashing or waterstop tape between distinct regions which are to be treated with render, for example the transition from the wall to the ceiling. Such tapes or strips can also perform the function of sealing, physical separation and movement equalization.
  • a further use is in constructing the membrane as wall covering or panel heating.
  • FIG. 1 shows a schematic cross-sectional view of a known membrane to which an adhesive mortar has been applied
  • FIG. 2 shows a schematic cross-sectional view of the membrane of FIG. 1 to which a tile has been applied
  • FIG. 3 shows a schematic cross-sectional view of a present invention membrane to which adhesive mortar and a tile have been applied
  • FIG. 4 shows a schematic cross-sectional view of a fibrous nonwoven web layer of a present invention membrane.
  • FIG. 1 shows part of a known membrane a.
  • the membrane a comprises a fibrous nonwoven web layer b, the outer surface of which has had an adhesive mortar c applied to it with a notched trowel (not depicted).
  • the adhesive mortar c has penetrated into the upper zone of the fibrous nonwoven web layer b under the pressure of the trowel teeth.
  • the adhesive mortar When later the tile d is pressed into the mortar bed, the adhesive mortar will ideally become distributed evenly under the tile d and will at the same time be pressed uniformly into the upper zone of fibrous nonwoven web b. Attachment is mechanical as a result of the fibers of the fibrous nonwoven web layer b lying in the adhesive mortar c, which undergoes curing/hardening. This state is depicted in FIG. 2 , in which tile d is present on the layer with the adhesive mortar c. It can be seen that the adhesive mortar c has merely penetrated into the surface region of the fibrous nonwoven web layer b.
  • FIG. 3 depicts the embodiment according to the present invention.
  • a membrane 1 is shown for use in the construction sector, although membrane 1 can in principle comprise any underlayment membrane to which something else still has to be applied on the outside, or else a wall covering or panel heating which is adhered to the subsurface.
  • the membrane 1 comprises an outer fibrous nonwoven web layer 2 composed of synthetic fibers, namely polyolefins.
  • the fibrous nonwoven web layer 2 is composed of polypropylene, since polypropylene is inexpensive and is stable for the planned area of use in particular.
  • the fibrous nonwoven web layer 2 is made up of a multiplicity of fibers 3 .
  • the outside surface 4 of the fibrous nonwoven web layer 2 has had applied to it, in a layer, an adhesive mortar 5 to which a tile 6 has been applied in turn.
  • the embodiment as per FIG. 3 provides that the fibrous nonwoven web layer 2 is at least regionally hydrophilic.
  • the hydrophilicization at least of the outer region of the fibrous nonwoven web layer 2 causes some of the adhesive mortar 5 to penetrate more deeply into the fibrous nonwoven web layer 2 .
  • the make-up water of the adhesive mortar 5 penetrates distinctly deeper with adhesive mortar particles into the fibrous nonwoven web layer 2 compared with the embodiment, which represents the prior art, shown in FIG. 2 , resulting in an appreciably increased binding in of the fibers 3 .
  • the depicted embodiment has a more than 100% increased penetration depth for the adhesive mortar 5 compared with the prior art as per FIG. 2 . This results in an appreciably increased adhesive pull strength compared with the bonding bridge web of FIG. 2 .
  • FIG. 4 depicts an embodiment in which fibrous nonwoven web layer 2 has two layer regions 7 , 8 to make up the layer thickness.
  • the outer layer region 7 is hydrophilicized, while the other layer region 8 has not been rendered hydrophilic.
  • the membrane 1 depicted in FIG. 4 is made up of two individual fibrous nonwoven web layers 2 , which are joined together.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
US12/282,128 2006-03-06 2007-02-19 Construction sector membrane Abandoned US20090130940A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102006010598.2 2006-03-06
DE102006010598 2006-03-06
DE102006033803A DE102006033803A1 (de) 2006-03-06 2006-07-19 Bahn, insbesondere zur Verwendung im Baubereich
DE102006033803.0 2006-07-19
PCT/EP2007/001410 WO2007101534A1 (de) 2006-03-06 2007-02-19 Baubereichsbahn

Publications (1)

Publication Number Publication Date
US20090130940A1 true US20090130940A1 (en) 2009-05-21

Family

ID=38068647

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/282,128 Abandoned US20090130940A1 (en) 2006-03-06 2007-02-19 Construction sector membrane

Country Status (5)

Country Link
US (1) US20090130940A1 (de)
EP (1) EP1991734B1 (de)
AT (1) ATE540158T1 (de)
DE (1) DE102006033803A1 (de)
WO (1) WO2007101534A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100055405A1 (en) * 2008-09-01 2010-03-04 Schlueter-Systems Kg Tile laying mat

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017508894A (ja) * 2013-12-31 2017-03-30 ダウ グローバル テクノロジーズ エルエルシー 親水性不織構造体を作製するための方法、それにより生成される不織構造体、及びその不織構造体を含む物品
DE102014101949A1 (de) 2014-02-17 2015-08-20 Franken Systems Gmbh Verfahren zur druckwasserfesten Abdichtung von Bauwerken

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302099A (en) * 1992-09-28 1994-04-12 E. I. Du Pont De Nemours And Company Laminated fabric useful as a concrete form liner
US5676660A (en) * 1995-02-08 1997-10-14 Sanyo Chemical Industries, Ltd. Absorbent product including absorbent layer treated with surface active agent
US6183847B1 (en) * 1994-04-25 2001-02-06 Avgol Ltd., Nonwoven Industries Coating selective zones of thin webs to change the pervious character thereof
US6286145B1 (en) * 1999-12-22 2001-09-11 Kimberly-Clark Worldwide, Inc. Breathable composite barrier fabric and protective garments made thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2823795C2 (de) 1978-05-31 1985-08-22 quick-mix Gruppe GmbH & Co KG, 4500 Osnabrück Verbindungsmittel zum Verbinden von Mauersteinen
US4925726A (en) 1988-01-22 1990-05-15 Unifi, Inc. Wallcovering substrate formed of textured, continuous, multi-filament yarns having hydrophilic characteristics
US6025535A (en) * 1996-10-28 2000-02-15 The Procter & Gamble Company Topsheet for absorbent articles exhibiting improved masking properties
DE29622129U1 (de) * 1996-12-21 1997-04-30 Gefinex Gesellschaft für innovative Extrusionsprodukte mbH, 33803 Steinhagen Neue Estrichunterlage
DE19927785C2 (de) * 1999-06-18 2003-02-20 Sandler Ag Textiler Verbundstoff mit hoher textiler Weichheit und verbesserter Lagenhaftung
FR2800445B1 (fr) * 1999-11-03 2001-11-30 Nortene Sa Structure chauffante pour realiser un dispositif de chauffage par le sol

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302099A (en) * 1992-09-28 1994-04-12 E. I. Du Pont De Nemours And Company Laminated fabric useful as a concrete form liner
US6183847B1 (en) * 1994-04-25 2001-02-06 Avgol Ltd., Nonwoven Industries Coating selective zones of thin webs to change the pervious character thereof
US5676660A (en) * 1995-02-08 1997-10-14 Sanyo Chemical Industries, Ltd. Absorbent product including absorbent layer treated with surface active agent
US6286145B1 (en) * 1999-12-22 2001-09-11 Kimberly-Clark Worldwide, Inc. Breathable composite barrier fabric and protective garments made thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100055405A1 (en) * 2008-09-01 2010-03-04 Schlueter-Systems Kg Tile laying mat

Also Published As

Publication number Publication date
DE102006033803A1 (de) 2007-09-13
ATE540158T1 (de) 2012-01-15
EP1991734A1 (de) 2008-11-19
WO2007101534A1 (de) 2007-09-13
EP1991734B1 (de) 2012-01-04

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Date Code Title Description
AS Assignment

Owner name: EWALD DORKEN AG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHROER, JORN;RAIDT, PETER HEINZ;REEL/FRAME:021937/0217;SIGNING DATES FROM 20080910 TO 20080912

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION